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| PM5361 TUPP Summary Information VT/TU PAYLOAD ALIGNER/PROCESSOR * A configurable, multi-channel, payload processor for alignment of SONET virtual tributaries (VTs) or SDH tributary units (TUs). Processes an STS-3 or STM-1 byte-serial data stream. * Transfers all incoming tributaries in the three STS-1 synchronous payload envelopes of an STS-3 byteserial stream to the three STS-1 synchronous payload envelopes of an outgoing STS-3 byte-serial stream. * Transfers all incoming tributaries in the single AU4 or three AU3 administrative units of an STM-1 byte-serial stream to the single AU4 or three AU3 administrative units of an outgoing STM-1 byte-serial stream. FEATURES * Detects loss of pointer and reacquisition for each tributary and optionally generates interrupts. Loss of pointer detection can optionally generate tributary path AIS. * Allows insertion of all zeros or all ones tributary idle code with unequipped indication and valid pointer into any tributary. * Operates from a single 19.44 MHz clock. * Provides a generic 8-bit microprocessor bus interface for configuration, control, and status monitoring. * Operates in conjunction with the PM5343 STXC SONET/SDH Transport Overhead Terminating Transceiver, the PM5344 SPTX SONET/SDH Path Terminating Transceiver and the PM5371 TUDX Tributary Unit Cross-Connect to provide a complete SONET/SDH ADM from Photonics down to the Tributary mapper. * Low power, +5 Volt, CMOS technology, TTL compatible inputs and outputs. * Available in a 160 pin PQFP package (28 by 28mm). * SONET/SDH Add-Drop and Terminal Multiplexers * SONET/SDH Broadband CrossConnects * SONET/SDH and ATM test Equipment APPLICATIONS * Compensates for pleisiochronous relationships between incoming and outgoing higher level (STS-1, AU4, AU3) synchronous payload envelope frame rates through processing of the lower level (VT6, VT3, VT2, VT1.5, TU3, TU2, TU12, or TU11) tributary pointers. * Allows insertion of tributary path AIS into any tributary. BLOCK DIAGRAM * Provides for multiframe synchronization or ring closure at the headend node in a SONET/SDH ring. * Provides independently configurable AU3/AU4 frame format on incoming and outgoing directions. SCLK IC1J1 ISPE ITMF TRIBUTARY PAYLOAD PROCESSOR OTMF OC1J1 OSPE OTSPE OTV5 * Configurable to process any legal mix of tributaries such as VT1.5, VT2, VT3, VT6, TU11, TU12, TU2, or TU3. Each VT group or TUG2 can be configured to carry one of four tributary types. TUG2s can be multiplexed into VC3s or TUG3s. Each TUG3 can also be configured to carry a TU3. * Optionally frames to the H4 byte in the path overhead to determine tributary multiframe boundaries. Internally generated H4 bytes are inserted into the outgoing administrative units. IPAR DIN[7:0] INPUT DEMUX TRIBUTARY PAYLOAD PROCESSOR OUTPUT MUX OPAR DOUT[7:0] TRIBUTARY PAYLOAD PROCESSOR MBEB RSTB CSB RDB WRB ALE A[7:0] D[7:0] MICROPROCESSOR INTERFACE INTB * Verifies parity on the IC1J1 and ISPE signals and on the incoming data stream and generates parity on the outgoing data stream. PMC-920519 (R6) (c) 1995 PMC-Sierra, Inc. June, 1995 PM5361 TUPP Summary Information VT/TU PAYLOAD ALIGNER/PROCESSOR TYPICAL APPLICATION: SONET/SDH TRIBUTARY CROSS-CONNECT From PM5344 SPTX #2 From PM5344 SPTX #1 SCLK IC1J1 OTMF From PM5344 SPTX #1 ISPE ITMF PM5361 TUPP OC1J1 OSPE SINL SCLK SFP DINL DINR SINR IFP DOUT/OPAR OTSPE OTV5 DIN/IPAR PM5371 TUDX OFP SOUTL SOUTR ODEB AOBEB SCLK IC1J1 OTMF OFSEB SOBEB DOUTL From PM5344 SPTX #2 ISPE ITMF PM5361 TUPP OC1J1 OSPE DOUTR DOUT/OPAR OTSPE OTV5 To PM5344 SPTX #2 To PM5344 SPTX #1 DIN/IPAR Head Office: PMC-Sierra, Inc. Suite 105 - 8555 Baxter Place Burnaby, B.C. V5A 4V7 Canada Tel: 604.415.6000 Fax: 604.415.6200 To order documentation, send email to: document@pmc-sierra.com or contact the head office, Attn:Document Coordinator All product documentation is available on our web site at: http://www.pmc-sierra.com For corporate information, send email to: info@pmc-sierra.com S/UNI(R), SATURN(R) and UNI-PHYTM are trademarks of PMC-Sierra, Inc. PMC-920519 (R6 ) (c) 1995 PMC-Sierra, Inc. June, 1995 |
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